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2047879085280 = 25357317371899
BaseRepresentation
bin11101110011001111000…
…110101111110011100000
321020202221012210101112220
4131303033012233303200
5232023024021212110
64204441015551040
7300645232005000
oct35631706576340
97222835711486
102047879085280
1171a5563a0256
12290a8668b480
1311b163aa2672
147119164c000
153840b578370
hex1dccf1afce0

2047879085280 has 384 divisors, whose sum is σ = 7566410880000. Its totient is φ = 465374472192.

The previous prime is 2047879085279. The next prime is 2047879085303. The reversal of 2047879085280 is 825809787402.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28446771 + ... + 28518669.

It is an arithmetic number, because the mean of its divisors is an integer number (19704195000).

Almost surely, 22047879085280 is an apocalyptic number.

2047879085280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2047879085280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3783205440000).

2047879085280 is an abundant number, since it is smaller than the sum of its proper divisors (5518531794720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2047879085280 is a wasteful number, since it uses less digits than its factorization.

2047879085280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72111 (or 72089 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 2047879085280 in words is "two trillion, forty-seven billion, eight hundred seventy-nine million, eighty-five thousand, two hundred eighty".